Peerless Pump Company Pump C1125

Reassembly — Post-assembly checks

Rotate shaft by hand after installing impeller lock screw (26) to check for free movement

Rotate shaft by hand after seating adapter (71) to check for no binding or hang-up

Tighten gland bolts (17B) on packed pump as required to limit leakage after pump is running

Verify seal piping (tubing) is installed between pump discharge and stuffing box of adapter if used

Verify casing cap screws are tightened uniformly in a star pattern to correct torque

Disconnect power to the pump driver

Refer to Bulletin No. 2880549 for the pump removal procedure

Pump Disassembly - Mechanical Seal Type

Remove seal piping between pump discharge and stuffing box of adapter

Remove casing and casing gasket

Clean all metal parts with a solvent

Use a bristle brush to remove tightly adhering deposits

Use a fiber scraper to remove gasket and shellac from casing flanges

Blow dry with clean dry compressed air

Cleaning — Mechanical Seal Parts

Clean seal parts using a mild soap solution only

Run only with finger to remove dirt

Rinse with clear water and dry with mild air stream

Visually inspect and replace parts that are damaged and affecting the serviceability or sealing

Emphasize inspection of mating parts having relative motion — casing rings, for example

Check O-rings, gaskets, and seals for shrinkage, cracks, nicks or tears

Check packing rings for excessive compression, fraying or shredding, embedded particles (dirt or metal) — replace if defective in any way

Examine impeller passages for cracks, dents, gouges or embedded material

Inspect shaft sleeves (14) for excessive wear — replace sleeves that are worn

Inspect lapped surfaces of sealing washer and floating seat for chipping, gouges, nicks, scratches or other damage — these surfaces must be free from any defect — if lapped surfaces are damaged, replace the entire seal

Enter the complete pump nameplate data when ordering repair parts

Remove burrs, nicks, and scratches from non-critical areas

Has the pump capacity fallen off due to wear on the impeller and casing ring?

Replace the casing ring if necessary

Measure the inside diameter of the casing ring

Replace components during reassembly

Are the O-rings for the floating seat of the mechanical seal or shaft sleeve undamaged?

Reuse undamaged O-rings with other satisfactory seal parts